>>Why aren't 'minutes' considered too? Because they aren't 'seconds'.
>>Well, seconds aren't microseconds either.
>
> Yeah, they are: it's just one field. The other way of looking at it
> (that everything is seconds) is served by "extract(epoch)".
Well, it's different in MySQL unfortunately - what does the standard
say? Out of interest, can someone try this for me in MySQL 5:
SELECT EXTRACT (MICROSECOND FROM '2003-01-02 10:30:00.00123');
SELECT EXTRACT (MICROSECOND FROM '2003-01-02 10:30:10.00123');
Chris